//
// Created by spiro on 19-3-7.
//
#include <stdio.h>
int units = 0;
void critic(void);

int main(void) {
    extern int units;

    printf("How many pounds to a firkin of butter?\n");
    scanf("%d", &units);
    while (units != 56) {
        critic();
    }
    printf("You must have looked it up!\n");
    return 0;
}

void critic(void) {
    printf("No luck, my friend. Try again.\n");
    scanf("%d", &units);
}
